K&N Filters are a cut above the
crowded space of oil filters. An
easy test for my 2001 BMW X5 E53
is how the filter looks when it
is removed. Many inferior filters
will literally be crushed and even
twisted. K&N keeps original shape,
form and integrity. Buy K&N with high confidence.

Desislav Andreev,
Preston, United Kingdom

Very happy with your products, hope to deal with you again in the future. :)